@misc{indiciae770b76ce8e4b, title = {Ventilation imaging with Kr-81m. A comparison with Xe-133.}, author = {T R Miller and D R Biello and J I Lee and H H Davis and A G Mattar and G J Ehrhardt and B A Siegel}, year = {1981}, doi = {10.1007/bf00257066}, url = {https://pubmed.ncbi.nlm.nih.gov/7202419/}, note = {Source identifier: 7202419} }